import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from './components/Login.vue'
import Home from './components/Home.vue'
import Welcome from './components/Welcome.vue'
import Users from './components/user/Users.vue'
import Rights from './components/power/Rights.vue'
import Roles from './components/power/Roles.vue'
import Cate from './components/goods/Cate.vue'
import Params from './components/goods/Params.vue'
import GoodsList from './components/goods/List.vue'
import Add from './components/goods/Add.vue'
import Order from './components/order/Order.vue'
import Report from './components/report/Report.vue'

Vue.use(VueRouter)


const router = new VueRouter({
  routes: [{
      path: "/",
      redirect: "/login"
    },
    {
      path: "/login",
      component: Login
    },
    {
      path: "/home",
      component: Home,
      redirect: "/welcome",
      children: [{
          path: "/welcome",
          component: Welcome
        },
        {
          path: "/users",
          component: Users
        },
        {
          path: "/rights",
          component: Rights
        },
        {
          path: "/roles",
          component: Roles
        },
        {
          path: "/categories",
          component: Cate
        },
        {
          path: "/params",
          component: Params
        },
        {
          path: "/goods",
          component: GoodsList,
        },
        {
          path: "/goods/add",
          component: Add
        },
        {
          path: "/orders",
          component: Order
        },
        {
          path: "/reports",
          component: Report
        }
      ]
    }
  ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从那个路径跳转而来的
  // next 是一个函数，表示放行
  // next() 放行  next("/login") 强制跳转到login
  if (to.path === "/login") return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem("token")
  if (!tokenStr) return next("/login")
  next()
})

export default router
